<?php
	$city_arr = array(
		'1' => '广州',
		'2' => '上海',
		'3' => '深圳',
		'4' => '东莞'
		);
	$value = 0;
	if(isset($_GET['value']))$value = $_GET['value'];
	if($value){
		echo $city_arr[$value];
	}else{
		echo '请选择！';
	}
?>